The Advantages of Solar Energy vs Other Renewable Energy Sources

posted by Adele on July 22nd, 2010

windsolar
By now we all have heard that solar power has huge advantages over traditional, fossil-fuel based energy sources; see our article on the pros and cons of solar energy for more information. Here, we’ve checked out how solar energy stacks up against other forms of renewable energy.

Solar vs. Wind

  • Wind turbines can take a lot of space and be noisy, so they’re better suited for rural rather than urban locations.
  • Wind energy works best in windy places, not surprisingly. Solar power is versatile– Germany is currently the largest market for solar panels, even though it’s not known as a particularly sunny place. In other words: it’s more important to live in a windy place if you want to use wind turbines than it is to live in a sunny place if you want to use solar panels.
  • Wind turbines require maintenance, and solar is virtually maintenance-free.
  • Wind power can be less expensive to produce initially. On the other hand, the federal tax credit, state and local incentives, and SRECs are making solar power more affordable. 1BOG is also helping by negotiating group discounts for communities. In some places, you can recoup your investment in solar panels really quickly.

Solar vs. Hydropower

  • Hydropower is typically done in large-scale dams rather than for homeowners (although someone with a rushing stream or river on their property might be able to use small scale “micro-hydro”); solar can be used almost anywhere.
  • Large dams are extremely expensive to build.
  • Flooding large areas of land destroys habitat and can force human relocation; solar panels can be installed on existing unused space like rooftops.
  • Building large dams can cause geological damage leading to earthquakes.
  • Dams can unfairly alter water supply between communities and countries.
  • Building dams alters the natural water table level and can negatively affect wildlife such as salmon.

Solar vs. Biomass

  • Biomass (wood or plants) is usually used for fuels rather than electricity production, though it can be used either way. Right now, most homeowners in the U.S. don’t have the option to purchase electricity made from biomass, though it’s available in a very small number of areas.
  • Crops like sugar cane and other sources for biomass require land that could otherwise be used for growing food. Algae helps avoid this problem somewhat because it can grow in water. Solar doesn’t necessarily need to use land space, since it can go on existing roofs.
  • Burning biomass creates CO2 emissions, though less than fossil fuels like coal. Solar energy doesn’t create emissions as it produces power.
  • Solar panels have efficiencies as high as 19%, meaning that much of the sun’s energy is converted into electricity. The efficiency of biomass is much, much lower – perhaps less than 1%.

Want to learn more about how solar panels work or how much it actually costs to put solar on your roof? Signup at 1BOG for more information and to save 15% off the cost of solar!

Image credits: wind, solar

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3 Responses to “The Advantages of Solar Energy vs Other Renewable Energy Sources”

  1. Actually water vapor will be largest source of natural house gas emissions. All the vehicles and factories while in the society can’t compete against the ocean.

  2. Ian says:

    It’s not just about comparing each type of renewable energy, cost is a major factor for renewable energy to be part of everyday use. At the moment our government is offering incentives to install solar panels, they also use solar panels for flashing road signs.

    It is good to see governments do this, and as they and large corporations become serious about environmental issues, we will see much bigger results. Although I think this will still take some time yet.

    I enjoyed reading your info. Thanks, Ian.

  3. adarsh says:

    what is its efficiency compared to other sources..i mean how much energy can be produced from a panel and how much is its production cost.? can a solar panel can produce more energy in its life time than it is used for its production? man power,material cost and production cost even the retail price should be added..

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